. ♪ ♪ this is a stunning work of technology. ♪ this is the 2013 lexus es and the first-ever es hybrid. this is the pursuit of perfection. an --hcaptions by vitacy--id. www.vitac.com >>> i'm jake tapper alongside erin burnett. this is cnn's special live coverage of several american communities recovering and healing today. >> that's right, jake, just when you thought something worse couldn't happen, it happened last night. here in boston, investigators are looking to identify people near the finish line just before monday's explosions, and, of course, this comes as the president was here today helping a grieving city say good-bye to those who lost their lives. also happening at this hour, investigators holding a news nf